September Weather in Barreirinha, Brazil

Last updated: August 22, 2025

In September, the average temperature in Barreirinha, Brazil hovers around 29°C (84°F). Expect a minimum of 23°C (74°F) and a maximum of 35°C (95°F), creating a warm and inviting atmosphere. However, be prepared for some rain, as the region experiences about 83 mm (3.2 in) of precipitation over 13 days. With an average humidity of 43%, the climate strikes a pleasant balance, making it a great time to explore!

September Temperature in Barreirinha

In September in Barreirinha, the average temperature is 29°C (84°F). The maximum can reach 35°C (95°F), and the minimum can be as low as 23°C (74°F). This mild and warm weather makes Barreirinha an ideal destination for outdoor activities and exploration during this time.

September Weather in Barreirinha: Daily Temperature Highs, Lows, and Averages

The chart illustrates September temperature patterns in Barreirinha, showcasing daily minimum, maximum, and average temperatures. It highlights the typical range of temperatures throughout the month, providing insights into weather trends. In Barreirinha, September typically has an average temperature of 29°C (84°F), with highs reaching up to 35°C (95°F) and lows dropping to around 23°C (74°F).

Data source: Temperature data for Barreirinha generated using information from the Copernicus Climate Change Service.

September Precipitation in Barreirinha

In Barreirinha in September, the total precipitation amount is 83 mm (3.2 in) over the course of 13 days.

September Precipitation Trends in Barreirinha

The chart displays monthly precipitation patterns in Barreirinha, with values for each month alongside September’s data, which is highlighted for easy comparison. It shows the amount of precipitation, providing insights into how September’s conditions compare to those of other months. In Barreirinha, September typically receives around 83 mm (3.2 inches) of precipitation spread over approximately 13 days.

Data source: Precipitation data for September generated using information from the Copernicus Climate Change Service.

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Millimeters (mm) Inches (in)

September Humidity in Barreirinha

In Barreirinha in September humidity is 43%. With an average temperature of 29°C (84°F), this humidity feels like a warm embrace, making it comfortable for traveling as long as you stay hydrated and enjoy the occasional breeze.

September Average Humidity in Barreirinha

This chart illustrates the average monthly humidity levels in Barreirinha, with September’s data highlighted for easy comparison. It shows the fluctuation in humidity throughout the year, helping you understand how conditions vary by season. In September, average humidity in Barreirinha is approximately 43%, offering insight into how humid the weather typically is during this month.

Data source: Humidity data for September generated using information from the Copernicus Climate Change Service.

September UV Index in Barreirinha

In Barreirinha in September, the maximum UV index reaches 13, which corresponds to an extreme Exposure Category. With a time to burn of just 10 minutes, it's crucial to take protective measures. For detailed information, you can check the Hourly UV Index in Barreirinha.

Maximum UV Index Levels in Barreirinha for September

The chart shows the monthly maximum UV Index (UVI) for Barreirinha in September, representing the highest UV radiation level. The UVI measures the intensity of ultraviolet radiation from the sun, indicating the potential risk of sunburn and UV-related health issues. In September, the maximum UV index in Barreirinha typically reaches 13, which falls under the extreme exposure category.

Data source: Barreirinha September UVI data generated using information from the Copernicus Climate Change Service.

UV Risk Categories

Extreme (11+): Avoid the sun, stay in shade.
Very High (8-10): Limit sun exposure.
High (6-7): Use SPF 30+ and protective clothing.
Moderate (3-5): Midday shade recommended.
Low (0-2): No protection needed.

How September Weather in Barreirinha Compares to Other Months

Weather in Barreirinha varies notably across the year, with each month offering distinct climate conditions. This page compares September’s weather to other months in Barreirinha, focusing on differences in temperature, rainfall, humidity, and UV levels.

This table compares monthly weather conditions in Barreirinha, showing how September’s temperature, precipitation, humidity, and UV index levels differ from those of other months.
	Temperature	Precipitation	Humidity	UV
January Weather	26°C (80°F)	290 mm (11.4 inches)	85%	extreme
February Weather	26°C (80°F)	329 mm (13.0 inches)	79%	extreme
March Weather	27°C (80°F)	325 mm (12.8 inches)	81%	extreme
April Weather	27°C (80°F)	385 mm (15.2 inches)	89%	extreme
May Weather	27°C (81°F)	275 mm (10.8 inches)	90%	extreme
June Weather	28°C (82°F)	153 mm (6.0 inches)	84%	extreme
July Weather	28°C (82°F)	98 mm (3.9 inches)	73%	extreme
August Weather	29°C (84°F)	72 mm (2.8 inches)	55%	extreme
September Weather	29°C (84°F)	83 mm (3.2 inches)	43%	extreme
October Weather	29°C (84°F)	113 mm (4.4 inches)	36%	extreme
November Weather	28°C (83°F)	185 mm (7.3 inches)	41%	extreme
December Weather	27°C (81°F)	300 mm (11.8 inches)	83%	extreme